Machine for cutting sheets into strips.



.J.'N. MOULTON.

Mmmm; ron ouTTING SHEETS INT0 STRIPS.

nrmonron FILED 111:11. 2v, 1913.

.132- JQ :l

A d fw/d1,

JAMES N. MOU'LTO, 0F HAVEBHILL, MASSACHUSETTS.

MACHINE FOR CUTTING SHEETS INTO STRIPS.

Specicationof Letters Patent.

Patented May 5, 1911i.

Application filed February 27, 1913. VSerial No. 750,960.

To all whom t mag/concern.'

Be it known that I, JAMES N. MoULToN, a;

citizen of the United States, residing in Haverhill, in the county ofEssex and State of Massachusetts, have invented an Improvement inMachines for Cutting Sheets. into Strips, of which the followingdescription, in connection with the accompanyingJ drawings, is aspecification, like letters on` the' drawings representing like parts.

This invention relates to a machine for cutting sheets of material intostrips having curved edges, and is herein shown as embodied in a machinewhich is especiallyde signed and adapted for cutting sheets of.

Iduck or other cloth into strips comprsingi a hseries of blanks for usein the manufacture of the well known Gem inner soles.

The invention has for its :object to providef a machine in which a webor sheet of duck or other material may be cut int a maxi mum number ofsuch strips in a continuous manner and at a minimum expense as will hedescribed. 'Provision is also made for winding the cut strips uponsuitable rollers, so that the right and left strips may be' wound uponseparate rollers as fast as' they are cut. r

In accordance withthi's invention, I employ a plurality of rotatabledisk cutters-or knives, each having an annular cutting edge the cutteror knife, which blank substantially conforms to the shape of the innersole or to that part of the inner sole to which the blank is applied.

These 'and other features of this invent-ion will be pointed out in theclaims at the end of this specication.

Figure l is a sid-e elevation of a machine embodying this invention.Fig. 2, a plan of the inachine shown in Fig. l. Fig. 3, a detail showinga pair of cutters, and Fig. 4, a detail in plan of a portion of a cutsheet or web.

Referrin to the drawings, a represents .upri ht si es of a framework,for supporttween a bed roll f and a plurality of rotatable -diskcutters or knives g, which are mounted on a shaft 7L to rotatetherewith.

The bed roll f may be made of steel,v or othersuitable material and hasits sha-fr; l0 journaled in uprights l2 erected rupon'the side frames ofthe machine, and the shaft zwhich carries the disk cutters g isjournaled in boxes 13 adjustable in the uprights l2 above the bed roll.

The disk cutters g are made irregular or cam shaped so as to make a cutof the proper or desired curvature, to conform or substantially conform.tothe shape of the fore part of the inner sole (not shown), and eachdisk cutter is provided as shown with a hub `15, which is removablymounted on the shaft 7i. but is secured thereto to rotate therewith by akey 16 or in any other suitable manner.

The disk cutters-g are'arranged on the shaft It, so that the web o'rsheet e is cut into a plurality of strips 20, each comprising a seriesof connected blanks, the length of each of which is indicated by thedotted lines 2l in Fig. 4, the blanks in one strip` this end themachine''sprovided with two receiving or winding rolls 23, 2li whichrest upon feed rolls 25, 26 journaled in uprights 27, 28 erected upon.the side frames of the machine, and 'upon one roller as 23 all theright strips are wound, andAupon the roller 24 all the left strips arewound.

The cutter shaft z. and the bed roll f are positivelyl driven, for whichpurpose the bed roll shaft is provided as shown with tight and loosepulleys 30, 31, and with a gear 32, which meshes with and drivesr apinion 33 on the cutter shaft z.. The feed rolls 25, .26 may andpreferably will be driven from the bed roll shaft 10, and as shown, thebed roll shaft has aisprocket wheel 35, which is connected by a linkchain 36 with a like wheel 37 on the shaft 38 of the roller 25, whichlatter shaft has a second sprocket'wheel 39, connected by a link A io.

.- other cloth is cut up into strips chain with a sprocket Wheel 41 faston the shaft 42 of the roller 26. The shafts 37,

42' of the rollers 25, 26 are journaled in the uprights 27, Q8, and saiduprights are provided-With slots 43, 44, into which extend the shafts45, 46 of the rollers 23, 24. Normally the rollers 23', 24 rest upon therollers Q5, 26, and the ends of the right and left strips are cementedor otherwise fastened to the rol-lersZB, 24 which are rotated by thelower rollers 25, 26. y

i In the present instance the strips 2O after leaving the bed roll'f arepassed under an 'idler roll 50 lto give the sheet' or web the desiredtension upon the bed roll. The roll d of cloth has'coperating with it aWeight in the *form of a roller 5l, Whose journals 52 are extended intoa vertical slot 53 in the uprights b to permit the roller 51 to descendand remainin contact with they web -rollv at, as the latter is unvvound.

The disk cutters may be adjusted With relationto .the bed roll toproperly position them, so as to insure proper cutting of the web intostrips, plishedf as herein shown by means of scr'evvS 56, carried bytheboxes for the bed roll and .coperating with the boxes for the cuttershaft lv, vand the latter boxes may then be secured in fixed position bymrews 57.

From the above description,v it will be seen, that the sheet or web eofy duck or of right and left blanks in a continuous and therefore rapidmanner, andthat the Web -or sheet 'which is usually of thirty inches inWidth canbe cut into eight stripsl of blanks having l a' ,width 'acrossthe ball of four and one -strips, as the said quarter' inches. I

The edges of the cuttersmay and preferably Will vmay Contact Withthe bedroll Without harm and yet effectively sever thev sheet into sheet isfirmly supported and this may be accombe slightly dulled, so that theyincassi by the bed roll, which has a solid portion of its peripherycoperating with, the cutters.

Claims.

'1., In 'a machine of the character described, in combination, ity ofvand each provided with an irregular or cam shaped cutting edge capableof form'- ing a blank having a curved edo'eI at each revolution of thesaid cutter, a plurality of pairs of feed rolls between Which somev of4the strips vformed by the cutters are passed to be Wound upon one of therolls of each pair, means to rotate said bed roll andeutters, and meansto rotate said pairs ci? feed rolls, substantially as described.

2. In, a machine' of the character described, in combination, a bedroll, a.- plu'- rality of 'disk cutters mounted upon a shaft and eachprovided with an irregular or camshapcd cutting edgecapable of form-`ing ablank having a curved edge at each revolution of the said cutter, apair of feed rolls between which saidl strips are passed,

means to rotate said bed roll and cutters,

and means 'to rotate said Jfeed rolls, substantially as described.

3. In a machine of the -character described, in combination, a plurality-of rotary disk cutters having' cam-shaped cutting edges, 'a shaft uponwhich said cutters are mounted, cutting edges and having a solid portionof its periphery in the path `of rotation thereof, and means to rotatesaid shaft and .bed roll, substantially as described.

In testimony whereof, l have signed my name to this specification in thepresence of two subscribing Witnesses.

Witnesses:

Jas. H. Cmmcnnm, J. ll/lurrrir,

uve cents'each, by addressing the ommitstcner m? atents, Waehingtom.

Janus N. MonnroN.

arbed roll, a plural- A. disk cutters mounted upon a shaftA a bed rollcoperating with said

